timetable.h

   1 /* $Id$
   2
   3 This file is part of R²C²
   4 Copyright © 2010  Mikkosoft Productions, Mikko Rasa
   5 Distributed under the GPL
   6 */
   7
   8 #ifndef LIBR2C2_TIMETABLE_H_
   9 #define LIBR2C2_TIMETABLE_H_
  10
  11 #include <string>
  12 #include <vector>
  13 #include <sigc++/trackable.h>
  14 #include <msp/datafile/objectloader.h>
  15 #include <msp/time/timestamp.h>
  16
  17 namespace R2C2 {
  18
  19 class Block;
  20 class Track;
  21 class Train;
  22 class Zone;
  23
  24 class Timetable: public sigc::trackable
  25 {
  26 public:
  27         class Loader: public Msp::DataFile::ObjectLoader<Timetable>
  28         {
  29         public:
  30                 Loader(Timetable &);
  31         private:
  32                 void arrive();
  33                 void goto_sensor(unsigned);
  34                 void goto_sensor(const std::string &);
  35                 void goto_zone(const std::string &);
  36                 void route(const std::string &);
  37                 void reverse();
  38                 void speed(unsigned);
  39                 void travel(const std::string &);
  40                 void wait(unsigned);
  41                 void wait_train(unsigned, unsigned);
  42         };
  43
  44         enum RowType
  45         {
  46                 GOTO_SENSOR,
  47                 GOTO_ZONE,
  48                 TRAVEL,
  49                 WAIT_TIME,
  50                 WAIT_TRAIN,
  51                 ARRIVE,
  52                 SPEED,
  53                 REVERSE,
  54                 ROUTE
  55         };
  56
  57         struct Row
  58         {
  59                 RowType type;
  60                 std::vector<Msp::Variant> params;
  61
  62                 Row(RowType);
  63
  64                 template<typename T>
  65                 Row(RowType, const T &);
  66
  67                 template<typename T>
  68                 const T &get_param(unsigned) const;
  69
  70                 std::string str() const;
  71
  72                 Msp::DataFile::Statement save() const;
  73
  74                 static Row parse(const std::string &);
  75         };
  76
  77 private:
  78         Train &train;
  79         bool enabled;
  80         std::vector<Row> rows;
  81         unsigned current_row;
  82         bool executing;
  83         Block *pending_block;
  84         Train *pending_train;
  85         Msp::Time::TimeStamp wait_timeout;
  86
  87 public:
  88         Timetable(Train &);
  89
  90         void set_enabled(bool);
  91         bool is_enabled() const { return enabled; }
  92         void reset();
  93
  94         void clear();
  95         void append(const Row &);
  96         void insert(unsigned, const Row &);
  97         unsigned get_n_rows() const { return rows.size(); }
  98         const Row &get_row(unsigned) const;
  99
 100         void tick(const Msp::Time::TimeStamp &);
 101         void save(std::list<Msp::DataFile::Statement> &) const;
 102 private:
 103         Track &get_sensor(unsigned);
 104         Zone &get_zone(const std::string &);
 105         void sensor_event(unsigned, bool);
 106         void train_arrived();
 107 };
 108
 109 } // namespace R2C2
 110
 111 #endif